Diseases and Conditions

Find doctor-approved information about symptoms, causes, diagnosis, treatment and prevention of common diseases and conditions.

Filter By Alphabet
All conditions that start with the letter C
  • Chronic Obstructive Pulmonary Disease (COPD)

    COPD is a disease that makes it hard for you to breathe. The two main types of COPD are chronic…

  • woman with a headache holds a hand to her head

    Chronic Pain

    Chronic pain cannot often be cured but it can be treated with lifestyle changes and other means.

  • A woman frowning and grabbing her lower abdomen while sitting on the couch

    Chronic Pelvic Pain

    Chronic pelvic pain can be caused by multiple medical conditions, many of which can be treated or managed with proper…

  • Realistic illustration of cirrhosis of human liver

    Cirrhosis and Portal Hypertension

    Cirrhosis and portal hypertension is a form of liver disease caused by alcoholism, poor diet, or infection.

  • Close up of a child's cleft lip

    Cleft Lip and Cleft Palate

    Cleft lip and cleft palate are birth defects that happen when a baby’s lip or mouth don’t form correctly early…

  • Man Drugging Woman's Drink In Bar

    Club Drug Use

    Club drugs are common, illegal drugs used at parties, bars, nightclubs, and concerts for the purpose of getting high.

  • A photo of a baby who has on a cast on his leg

    Clubfoot

    Clubfoot is a condition present at birth that causes a baby’s foot to turn inward or downward. It can be…

  • An ill young woman with a fever holds an ice bag on her head while resting in bed. A cold and the flu are viral infections that affect the respiratory system.

    Colds and the Flu

    Learn about the symptoms of and treatments for colds and the flu.

  • Baby sleeping in a position on his father’s arm to help treat colic

    Colic

    Colic is when your baby cries for longer than 3 hours a day at least 3 days per week. It…

  • Colorectal Cancer

    Colorectal cancer is a cancer of the colon or the rectum that can be detected through early, regular screenings.

  • illustration of human nervous system

    Complex Regional Pain Syndrome

    Complex regional pain syndrome is a chronic pain condition that often happens after an injury. It is believed to be…

  • man holding injured head in pain

    Concussion

    A concussion is a type of traumatic brain injury (TBI). It occurs when you hit your head, neck, or body…

  • Congenital Adrenal Hyperplasia

    Congenital adrenal hyperplasia (CAH) is a rare genetic disorder that affects your adrenal glands.

  • doctor listens to a baby’s heart with a stethoscope

    Congenital Heart Disease

    Congenital heart disease is a heart problem that some people are born with and can include a hole in the…

  • Woman holding stomach in pain

    Constipation

    Constipation is a common condition that makes it difficult to have a bowel movement. It can be caused by changes…

  • Corneal Abrasions

    A corneal abrasion is a cut or scratch on your cornea, the layer of protective tissue at the front of…

  • Man holding chest in pain

    Coronary Artery Disease (CAD)

    Coronary artery disease occurs when blood vessels that carry blood to your heart get blocked with plaque.

  • Man clutching chest in pain as a result of coronary heart disease

    Coronary Heart Disease (CHD)

    Coronary heart disease (CHD) is the most common type of heart disease caused by a buildup of plaque in your…

  • COVID-19 is a disease caused by a coronavirus called SARS-CoV-2, which was identified in 2019.

    Coronavirus (COVID-19)

    Learn how to better protect yourself from COVID-19.

  • COVID-19 is a disease caused by a coronavirus called SARS-CoV-2, which was identified in 2019.

    Coronavirus Disease 2019 (COVID-19)

    COVID-19 is highly contagious and does not yet have an approved vaccine. Symptoms may include a cough, a fever, and…